Only remove idseq-dag results dir; keep references (#2709)
Only remove idseq-dag results dir; keep references (#2709)

This unblocks pending reference management changes in idseq-dag.
chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web,chanzuckerberg/idseq-web